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Insulin-like growth factor (IGF-1, somatomedin C) hormone. In humans, IGF-1 stimulates growth and mediates the effects of growth hormone.

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Image ID: 117138580
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Small
500x500 6.9"x6.9" (72dpi) 130 KB
Med
1000x1000 3.3"x3.3" (300dpi) 354 KB
Large
4096x4096 13.7"x13.7" (300dpi) 2.2 MB
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